1 A membrane is to be used to separate air (oxygen(A) + nitrogen(B)). The feed flow rate is Lf = 1×10 6  cm 3 /s and the feed composition of A is x f = XXXXXXXXXXmole fraction). The stage-cut is θ =...

1 A membrane is to be used to separate air (oxygen(A) + nitrogen(B)). The feed flow rate is Lf = 1×10⁶ cm³/s and the feed composition of A is x_f
= 0.209 (mole fraction). The stage-cut is θ = 0.2 and the ratio of the permeability of oxygen to that of nitrogen is α = 10. Use the complete-mixing model to calculate the permeate composition yp, the reject composition xR, and the membrane area Am. 49